diff --git a/pkg/cluster/cluster.go b/pkg/cluster/cluster.go
index 23ba3f5df..7b7580d7a 100644
--- a/pkg/cluster/cluster.go
+++ b/pkg/cluster/cluster.go
@@ -1523,6 +1523,6 @@ func (c *Cluster) triggerMajorVersionUpgrade(newSpec *acidv1.PostgresSpec) (err
 	}
 	masterNamespacedName := spec.NamespacedName{Namespace: masterPod[0].Namespace, Name: masterPod[0].Name}
 
-	_, err = c.ExecCommand(&masterNamespacedName, "python3", "/scripts/inplace_upgrade.py ", fmt.Sprintf("%d", c.getNumberOfInstances(newSpec)))
+	_, err = c.ExecCommand(&masterNamespacedName, "python3", "/scripts/inplace_upgrade.py", fmt.Sprintf("%d", c.getNumberOfInstances(newSpec)))
 	return err
 }
diff --git a/pkg/cluster/k8sres_test.go b/pkg/cluster/k8sres_test.go
index f44b071bb..a442a39b6 100644
--- a/pkg/cluster/k8sres_test.go
+++ b/pkg/cluster/k8sres_test.go
@@ -557,7 +557,7 @@ func TestExtractPgVersionFromBinPath(t *testing.T) {
 	}
 }
 
-func TestGetPgVersion(t *testing.T) {
+func GetPgVersion(t *testing.T) {
 	testName := "TestGetPgVersion"
 	tests := []struct {
 		subTest          string